Lock in $30 Savings on PRO—Offer Ends Soon! ⏳
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Don't Get Clever
Search
avdi
July 20, 2013
1
410
Don't Get Clever
Part of the Ruby Rogues live panel episode at Lone Star Ruby Conference 2013.
avdi
July 20, 2013
Tweet
Share
More Decks by avdi
See All by avdi
Pairing is Caring
avdi
2
520
Code to Joy
avdi
10
1.7k
Building Gems that Don't Suck
avdi
4
580
Making Little Classes out of Big Ones
avdi
29
3.3k
Featured
See All Featured
Designing for Performance
lara
610
69k
Keith and Marios Guide to Fast Websites
keithpitt
413
23k
For a Future-Friendly Web
brad_frost
180
10k
Speed Design
sergeychernyshev
33
1.4k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
234
17k
KATA
mclloyd
PRO
32
15k
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
26
3.2k
Documentation Writing (for coders)
carmenintech
76
5.2k
Producing Creativity
orderedlist
PRO
348
40k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
46
2.6k
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
tammyeverts
10
700
Thoughts on Productivity
jonyablonski
73
5k
Transcript
Don't Get Clever Avdi Grimm
Pop quiz r e q u i r e '
p s t o r e ' s t o r e = P S t o r e . n e w ( ' d a t a . p s t o r e ' ) s t o r e . t r a n s a c t i o n ( t r u e ) d o # . . . e n d
Pop quiz 2 A r r a y . i
n s t a n c e _ m e t h o d s ( f a l s e )
Symbols are truthy r e q u i r e
' p s t o r e ' s t o r e = P S t o r e . n e w ( ' d a t a . p s t o r e ' ) s t o r e . t r a n s a c t i o n ( : r e a d _ o n l y ) d o # . . . e n d
Clever!
What's : r e a d _ o n l
y ?? s t o r e . t r a n s a c t i o n ( : r e a d _ o n l y ) d o # . . . e n d
Dead end s t o r e . t r
a n s a c t i o n ( : c h u n k y _ b a c o n ) d o # . . . e n d
Negation A r r a y . i n s
t a n c e _ m e t h o d s ( ! : i n c l u d e _ s u p e r )
Don't get clever
Intention-revealing argument r e a d _ o n l
y = t r u e s t o r e . t r a n s a c t i o n ( r e a d _ o n l y ) d o # . . . e n d
Intention-revealing argument i n c l u d e _
s u p e r = f a l s e A r r a y . i n s t a n c e _ m e t h o d s ( i n c l u d e _ s u p e r )
Inline version A r r a y . i n
s t a n c e _ m e t h o d s ( i n c l u d e _ s u p e r = f a l s e )
Don't get clever